Upgrade Browserker to v1.0.15
What does this MR do?
- Upgrade browserker to 1.0.15
- Essential upgrade for base image (to UBI 8.8) and Chromium (to 118) to patch CVEs
What are the relevant issue numbers?
gitlab-org/gitlab#428114 (closed)
gitlab-org/gitlab#427218 (closed)
GitLab Docs MR
Closes #428114